Prostate cancer: MR imaging and thermometry during microwave thermal ablation-initial experience.
basic_science · Level V
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Abstract
Percutaneous interstitial microwave thermoablation of locally recurrent prostate carcinoma was continually guided with magnetic resonance (MR) imaging. Phase images and data were obtained with a rapid gradient-echo technique and were used to derive tissue temperature change on the basis of proton-resonance shift. Thermally devitalized regions correlated well with the phase image findings. MR imaging-derived temperatures were linearly related to the fluoroptic tissue temperatures. MR imaging can be used to guide thermoablation.
Medical subject headings
- Hyperthermia, Induced
- Magnetic Resonance Imaging
- Prostatic Neoplasms
- Thermometers